Question

if x:y=3:4 then (4x+5y ):(5x-2y)=​

Answer 1

Answer:

x = 3y/4

so on replacing x in above proportion,

we get answer as 32/7

Answer 2

Answer:

x=3,y=4. then [4(3)+5(4)]:[5(3)-2(4)]=(12+20):(15-8)=22:7